this document or the extent to which any license under such rights
might or might not be available; neither does it represent that it
has made any effort to identify any such rights. Information on the
IETF's procedures with respect to rights in standards-track and
standards-related documentation can be found in BCP 11. Copies of
claims of rights made available for publication and any assurances of
licenses to be made available, or the result of an attempt made to
obtain a general license or permission for the use of such
proprietary rights by implementors or users of this specification can
be obtained from the IETF Secretariat.
15. IANA Considerations
The Internet Assigned Numbers Authority (IANA) administers the number
space for Secondary Compressor ID values. Values and their meaning
must be documented in an RFCor other peer-reviewed, permanent, and
readily available reference, in sufficient detail so that
interoperability between independent implementations is possible.
Subject to these constraints, name assignments are First Come, First
Served - see RFC2434 [13]. Legal ID values are in the range 1..255.
This document does not define any values in this number space.
16. References
[1] D.G. Korn and K.P. Vo, Vdelta: Differencing and Compression,
Practical Reusable Unix Software, Editor B. Krishnamurthy, John
Wiley & Sons, Inc., 1995.
[2] J. Ziv and A. Lempel, A Universal Algorithm for Sequential Data
Compression, IEEE Trans. on Information Theory, 23(3):337-343,
1977.
[3] W. Tichy, The String-to-String Correction Problem with Block
Moves, ACM Transactions on Computer Systems, 2(4):309-321,
November 1984.
[4] E.M. McCreight, A Space-Economical Suffix Tree Construction
Algorithm, Journal of the ACM, 23:262-272, 1976.
[5] J.J. Hunt, K.P. Vo, W. Tichy, An Empirical Study of Delta
Algorithms, IEEE Software Configuration and Maintenance
Workshop, 1996.
[6] J.J. Hunt, K.P. Vo, W. Tichy, Delta Algorithms: An Empirical
Analysis, ACM Trans. on Software Engineering and Methodology,
7:192-214, 1998.
[7] D.G. Korn, K.P. Vo, Sfio: A buffered I/O Library, Proc. of the
Summer '91 Usenix Conference, 1991.
[8] D. W. Jones, Application of Splay Trees to Data Compression,
CACM, 31(8):996:1007.
[9] M. Nelson, J. Gailly, The Data Compression Book, ISBN 1-55851-
434-1, M&T Books, New York, NY, 1995.
[10] J.C. Mogul, F. Douglis, A. Feldmann, and B. Krishnamurthy,
Potential benefits of delta encoding and data compression for
HTTP, SIGCOMM '97, Cannes, France, 1997.
[11] Mogul, J., Krishnamurthy, B., Douglis, F., Feldmann, A., Goland,
Y. and A. Van Hoff, "Delta Encoding in HTTP", RFC3229, January
2002.
[12] Bradner, S., "Key words for use in RFCs to Indicate Requirement
Levels", BCP 14, RFC2119, March 1997.
[13] Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA
Considerations Section in RFCs", BCP 26, RFC2434, October 1998.
[14] D.G. Korn and K.P. Vo, Engineering a Differencing and
Compression Data Format, Submitted to Usenix'2002, 2001.
17. Authors' Addresses
Kiem-Phong Vo (main contact)
AT&T Labs, Room D223
180 Park Avenue
Florham Park, NJ 07932
Phone: 1 973 360 8630
EMail: kpv@research.att.com
David G. Korn
AT&T Labs, Room D237
180 Park Avenue
Florham Park, NJ 07932
Phone: 1 973 360 8602
EMail: dgk@research.att.com
Jeffrey C. Mogul
Western Research Laboratory
Hewlett-Packard Company
1501 Page Mill Road, MS 1251
Palo Alto, California, 94304, U.S.A.
Phone: 1 650 857 2206 (email preferred)
EMail: JeffMogul@acm.org
Joshua P. MacDonald
Computer Science Division
University of California, Berkeley
345 Soda Hall
Berkeley, CA 94720
EMail: jmacd@cs.berkeley.edu
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